Magnetism and Electromagnetism In the left hand rule, forefinger always represents current Voltage direction of force on the conductor magnetic field current Voltage direction of force on the conductor magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are materials. Ferromagnetic None of the listed here Paramagnetic Diamagnetic Ferromagnetic None of the listed here Paramagnetic Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Removal of magnetic impurities Remagnetising metallic parts Removing gases from the materials Demagnetising metallic parts Removal of magnetic impurities Remagnetising metallic parts Removing gases from the materials Demagnetising metallic parts ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have High co-ercivity and high retentivity Large area of B-H loop High permeability and low hysteresis loss High co-ercivity and low density High co-ercivity and high retentivity Large area of B-H loop High permeability and low hysteresis loss High co-ercivity and low density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon Motion of the magnet Resistance of the coil Pole strength of the magnet Number of turns of the coil Motion of the magnet Resistance of the coil Pole strength of the magnet Number of turns of the coil ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A magnetic field exists around Copper Iron Aluminium Moving Charges Copper Iron Aluminium Moving Charges ANSWER DOWNLOAD EXAMIANS APP